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Coral project - Coggle Diagram
Coral project
Land based threats
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Nutrients
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Sewage discharge, wastewater treatment plants, septic tanks
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What does it do
Nutrients
eutrophication: phytoplankton blooms / (turf) algae growth -> sunlight blocking and hypoxia -> dead zones --> fish kills --> ecosystem collaps
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toxins
pesticides
coral reproduction, growth and other physiological processes
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metals
mercury, lead, organic chemicals (pcbs, oxybenzone and toxin affect coral reproduction, growth rate, feeding and defensive responses
sediments
smother, weaker and kill corals and other organisms
changes to communities of important fisheries species (close link with grazers, importent for algae control)
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trash
microplastics
can be consumed by corals, fish, sea turtles and other reef animals, blocking digestive tracks/artificial starvation
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